问题
单项选择题
I had to ______ because someone else wanted to use the phone.
A．give up
B．put up
C．hang up
D．ring up
答案
参考答案：C
解析： give up放弃；put up举起，架起，修建，张贴；hang up挂断(电话)；ring up (给某人)打电话。
搜题请搜索小程序“爱下问搜题”
I had to ______ because someone else wanted to use the phone.
A．give up
B．put up
C．hang up
D．ring up
参考答案：C
解析： give up放弃；put up举起，架起，修建，张贴；hang up挂断(电话)；ring up (给某人)打电话。